Argentina

1963 The 150th Anniversary of the Assembly, 1813 WM: 9

1963 Navy Day WM: 9

1963 Airmail – The Fourth Pan-American Games, Sao Paulo WM: 9

1963 The Fourth Pan-American Games, Sao Paulo WM: 9

1963 Airmail Stamps WM: 9

1963 Freedom from Hunger WM: 9

1963 The 100th Anniversary of the National College, Buenos Aires WM: 9

1963 The 75th Anniversary of the Argentine Industrial Union WM: 9

1963 The 150th Anniversary of the Battle of Salta WM: 9

1963 Airmail – The Ninth World Gliding Championships, Junin WM: 9